Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, hieu cach
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
phuong anh » phuong hoang
tranh va » tranh van, trang va, trinh va
tuan tai » toan tai, quan tai, tan tai
va doan » va doanh, van doan, va dan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((chieu sach) OR (chieu xanh))) or (chieu sang)) - canh tranh va doan phuong anh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chieu xanh))) OR (chieu sang)) - canh tranh va doan phuong anh tuan tai*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu sach) OR (chieu xanh))) or (chieu sang)) - canh tranh va doan phuong anh tuan tai*".